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Introduce new shell functions hexdigit, hexprint and zeropad.

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Use these new functions instead of printf(1), which is scheduled for
removal as a shell builtin command, and which will not be available as a
standalone utility if MAKEDEV is run prior to mounting /usr.

Requested by:	knu
This commit is contained in:
Sheldon Hearn 2001-11-20 17:24:35 +00:00
parent 3846fd9190
commit ba0d15f2d7
1 changed files with 48 additions and 3 deletions
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51
etc/MAKEDEV
View file

@ -196,6 +196,39 @@ dkminor()
echo $(($1 << 25 | ($2 / 32) << 21 | ($2 % 32) << 3 | $3 << 16 | $4))
}
# Print the hexadecimal representation of a decimal value from 0 to 15
hexdigit () {
if [ $1 -lt 10 ]; then
echo $1
else
case $1 in
10) echo a ;;
11) echo b ;;
12) echo c ;;
13) echo d ;;
14) echo e ;;
15) echo f ;;
esac
fi
}
# Print the hexadecimal representation of an arbitrary decimal value
hexprint () {
val=$1
str=''
dig=`hexdigit $((${val} & 15))`
str=${dig}${str}
val=$((${val} >> 4))
while [ ${val} -gt 0 ]; do
dig=`hexdigit $((${val} & 15))`
str=${dig}${str}
val=$((${val} >> 4))
done
echo ${str}
}
# Override mknod(2) to add extra handling to it.
mknod=/sbin/mknod
for i in `IFS=':'; echo $PATH`; do
@ -239,6 +272,18 @@ unit2minor()
echo $(((($1 >> 8) << 16) | ($1 % 256)))
}
# Zero-pad a value to the appropriate minimum length
zeropad () {
min=$1
val=$2
while [ ${#val} -lt ${min} ]; do
val=0${val}
done
echo ${val}
}
# Raw partition for disks
dkrawpart=2
@ -1073,7 +1118,7 @@ vty*)
units=`expr $i : 'vty\(.*\)'`
i=0
while [ $i -lt $units ]; do
mknod ttyv$(printf %01x $i) c $chr `unit2minor $i`
mknod ttyv$(hexprint $i) c $chr `unit2minor $i`
i=$(($i + 1))
done
ln -fs ttyv0 vga # XXX X still needs this pccons relic
@ -1182,7 +1227,7 @@ ttyA*)
port=1
while [ $port -le $units ]; do
minor=$(expr $port - 1)
name=$(printf %02d $port)
name=$(zeropad 2 $port)
mknod ttyA$name c $major $minor
mknod ttyiA$name c $major `expr $minor + 65536`
mknod ttylA$name c $major `expr $minor + 131072`
@ -1199,7 +1244,7 @@ cuaA*)
port=1
while [ $port -le $units ]; do
minor=$(expr $port - 1)
name=$(printf %02d $port)
name=$(zeropad 2 $port)
mknod cuaA$name c $major `expr $minor + 128` uucp:dialer
mknod cuaiA$name c $major `expr $minor + 128 + 65536` \
uucp:dialer